baber/WOPTO huggingface dataset:
Patent JP-2003186035-A (JP)
Title: Liquid crystal display device
Inventor: SHIMURA MASATO
IPC: G02F1/1343
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To form a liquid crystal display device small in the electric resistance value of a counter electrode without reducing the aperture ratio of a pixel area.  <P>SOLUTION: Each area enclosed by a plurality of gate signal lines arranged in parallel and a plurality of drain signal lines arranged in parallel and crossing each of the gate signal lines on the liquid crystal side surface of one of each substrate faced to each other via the liquid crystal, is used as a pixel area; the pixel area is provided with a thin film transistor operating on a scanning signal from the gate signal line, a pixel electrode supplied with a video signal from the drain signal line via this transistor, and a counter electrode for generating an electric field across this pixel electrode; the counter electrode is formed on the upper surface of an insulating film formed by covering also the drain signal line, and is also formed along the drain signal line with a width wider than that of the drain signal line and the center line made to coincide with that of the drain signal line, and is further formed to be of a multi-layer structure including a metallic conductive layer and a light-transmissive conductive layer wider than this metallic conductive layer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003187895-A (JP)
Title: Connector
Inventor: NAKADA TAKEHIRO
IPC: H01R13/42
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector which prevents with one retainer two kinds of large and small terminal metal fittings from slipping off and has simple shapes of the retainer and a housing.  <P>SOLUTION: The two kinds of the terminal metal fittings 20A, 20B are separately positioned on the leading side and the trailing side in the inserting direction of the retainer 30. On the retainer 30 is formed a slip-off preventing portion 35 to prevent the terminal metal fitting 20B on the trailing side from slipping off. The front end of a guiding portion 36 of the retainer 30 is a slip-off preventing portion 37 to prevent the terminal metal fitting 20A on the leading side from slipping off. Since the guiding portion 36 to stabilize the attitude of the retainer 30 when the retainer 30 being inserted serves concurrently as a slip-off preventing means of the terminal metal fitting 20A on the leading side, the shape of the retainer 30 can be simplified. Since the housing 10 does not need to have a bored hole exclusive for encasing a means to prevent the slip-off of the terminal metal fitting 20A on the leading side, the shape can be simplified.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003188718-A (JP)
Title: Automatic frequency control method and apparatus for reference clock generator
Inventor: KOSUGI JUNICHI
IPC: H03L7/14
Filed: 2001-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic frequency control method and an apparatus for a reference clock generator, by which a frequency is automatically controlled by inputting the reference clock of high accuracy in a high-stable oscillator inside the reference clock generator, synchronizing the frequency by a PLL circuit and storing a control voltage of the PLL circuit.  <P>SOLUTION: The apparatus is provided with a frequency divider 102 for inputting a reference clock fr from a clock generator 110 and converting the reference clock to a phase comparing clock frc, a frequency divider 103 for inputting a reference clock fo of a radio base station device and converting the reference clock to a phase comparing clock foc, a phase comparing part 104 for inputting the phase comparing clocks frc and foc and a sampling clocks fs, detecting and outputting the phase difference of the phase comparing clocks frc and foc, an arithmetic part 105 for inputting the phase difference and arithmetically processing a digital input value to be the control voltage of a high-stable oscillator 108, a digital input value storage part 106 for storing the digital input value, a D/A converter for inputting the digital value and converting it to an analog output, and the high-stable oscillator 108 for inputting the analog output and outputting a reference clock fo of a frequency corresponding to the voltage value of the analog output.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003155513-A (JP)
Title: Auxiliary material for steelmaking
Inventor: NUMA KATSUMI
IPC: C21C5/44
Filed: 2001-11-16
Abstract: PROBLEM TO BE SOLVED: To provide an auxiliary material for steelmaking in which temperature raising, slag killing and protection of refractories can be attained simultaneously. SOLUTION: The auxiliary material for steelmaking can be obtained by adding a cellulose-containing organic substance to a carbonaceous material and a magnesia-containing substance, adding water to the resultant mixture, if necessary, and then carrying out kneading and molding. It is preferable that the size of the auxiliary material for steelmaking is 30 to 80 mm.
Patent JP-2003186254-A (JP)
Title: Electrophotographic two-component developer
Inventor: TENJIKU EIJI
IPC: G03G9/097
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developer having sufficient durability and environmental stability in combination in order to solve the problems, such as scattering of toners and white ground fogging as the environmental stability is significantly hindered and the transition of the toner density in the developer is not stabilized particularly at and under a high temperature and high humidity when the coating is incorporated into the developer at ≥5 wt.% of the weight of a core material.  <P>SOLUTION: The electrophotographic two-component developer consists of the toners containing any among an azo dye, nigrosine dye and quaternary ammonium compound and the carriers which have the coating in the amount of ≥5 wt.% of the weight of the core material, in which inorganic particles are externally added to the toners.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003184960-A (JP)
Title: Toothed belt
Inventor: SAKANAKA SADAKICHI
IPC: F16G1/28
Filed: 2001-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a toothed belt capable of holding strong adhesive force of a cable core and a rubber compound even under high temperature.  <P>SOLUTION: The toothed belt A has a plurality of teeth 3 which are arranged at predetermined interval along the longitudinal direction, and a back 2 in which a cable core 1 is buried, and a tooth cloth 4 is pasted on the surface of the tooth 3. After the cable core 1 is treated with a resorcin-formalin-rubber latex mixture, it is treated with a treatment agent containing phenol resin and a nitrile group-containing high saturated polymer rubber, and the back part 2 is formed of the rubber compound 9 obtained by crosslinking the compound rubber compounding unsaturated metal carboxylate and phenol resin with a hydrogenated nitrile rubber and either organic peroxide or sulfur compound.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002254911-A (JP)
Title: Vibration isolating sleeve, and car having the sleeve
Inventor: DESCHAUME ALAIN
IPC: F16F13/16
Filed: 2001-12-25
Abstract: PROBLEM TO BE SOLVED: To reduce defects harmful for the service life of an elastomer body by sustaining the shear stress by an arm of the elastomer body when a sleeve must support the static vertical force. SOLUTION: A vibration isolating sleeve 9 comprises an inside reinforcing member 10 extending along the axis Z in the longitudinal direction, a rigid annular reinforcing member 21 surrounding the inside reinforcing member 10, and the elastomer body 11 for connecting the two reinforcing members 10 and 21 to each other. The reinforcing members 10 and 21 have wedge-like supporting zones 24 positioned to each other so as to compress the elastomer body 11 when the vibration isolating sleeve 9 supports the static load in the axial direction. Passages C, D and E can be formed between two hydraulic chambers formed by the elastomer body 11 by the supporting zones 24 of the annular reinforcing member 21.
Patent JP-2003196795-A (JP)
Title: On-vehicle emergency situation notifying device, emergency situation reporting device, and emergency situation notification system
Inventor: KURAGAKI SATOSHI
IPC: G08B25/04
Filed: 2001-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the capacity requirement of a communication line of an emergency situation notification system in addition to ensuring the operation of emergency situation notification with accurate reliability by increasing the degree of properness of emergency situation prediction and to reduce the processing load of an emergency situation reporting device provided at an emergency notification service base station.  <P>SOLUTION: The emergency situation notifying device 11 is provided with an emergency situation predicting means 12 for predicting the possibility that a self-vehicle falls into an emergency situation, a notification controlling means 16, and a communicating means 17, and performs communication on the basis of decision of the emergency situation predicting means 12. The emergency situation predicting means 12 predicts that the self-vehicle falls into an emergency situation after the lapse of a prescribed period of time according to at least one of a distance between vehicles, relative speed, relative acceleration, self-vehicle speed, driver's pedal manipulated variable, driver's steering manipulated variable of the driver, feature quantity of driver's facial expression.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003192564-A (JP)
Title: Melanogenesis inhibitor
Inventor: KOSAKA KUNIO
IPC: A61P17/16
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new melanogenesis inhibitor of high safety having prophylactic and ameliorating effects for pigmentation, freckles, fleck, chloasma or the like due to suntan or the like.  <P>SOLUTION: This melanogenesis inhibitor comprises a combination of carnosic acid or plant extract containing the same and ascorbic acid or a derivative thereof, capable of inhibiting melanogenesis thus leading to attaining synergistic skin whitening effect.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003195597-A (JP)
Title: Conductive roller, its manufacturing method and image forming apparatus using the conductive roller
Inventor: HAYASHI NOBUTOSHI
IPC: G03G15/08
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a conductive roller having such excellent durability that its characteristic does not change even though it is used for a long time in the case of being used for an electrophotographic device such as a copying machine and an LBP.  <P>SOLUTION: This conductive roller obtained by forming a conductive elastic body layer on the outer peripheral surface of a shaft center body (core bar) is constituted to have no surface layer by using an elastic body whose resistance at a part near to the core bar of the conductive elastic body layer is high and whose resistance gets lower and lower toward the outside of the conductive elastic body layer.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003195107-A (JP)
Title: Manufacturing method for ferrule
Inventor: YAMAKAWA ATSUSHI
IPC: B29L31/36
Filed: 2001-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ferrule manufacturing method that excels in mass- productivity while keeping forming accuracy.  <P>SOLUTION: This is a method for manufacturing a ferrule in which a pin hole for inserting a positioning pin and a plurality of fiber holes for inserting optical fibers are arranged in a plurality of stages at a prescribed pitch. While one end of a first forming pin 22 for forming the pin hole is positioned and held with a first and second dies 11, 15, and one end of a plurality of second forming pins 20b for forming fiber holes in a plurality of stages is positioned and held with a plurality of holding holes 19a, a synthetic resin is injected into the first and second dies to manufacture the ferrule.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003195681-A (JP)
Title: Image forming apparatus
Inventor: FUKANO MASAHIKO
IPC: G03G15/20
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus in which a fixing device 130 can be used in a shorter time than in the conventional manner.  <P>SOLUTION: In a copying machine 100, paper on which a toner image is carried is made to pass between a heat roller 132 and a pressure roller 134 constituting the fixing device 130, so that the toner image is fixed on the paper. It is equipped with thermistors S1 and S2 and a controller 160. The controller 160 controls the fixing device 130 so that the rotation of both rollers 132 and 134 may be started when the surface temperature of the roller 132 detected by the thermistor S1 attains a set value T4 lower than fixing standby temperature T5 after heating by the roller 132 is started in a state where the rollers 132 and 134 are stopped, and the device 130 can be used when the surface temperature of the roller 134 detected by the thermistor S2 attains a specified value T2.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003197186-A (JP)
Title: Method of manufacturing for non-sintered cadmium electrode, alkaline storage battery using this electrode, and its manufacturing method
Inventor: HOSODA MASAHIRO
IPC: H01M10/30
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method for a non-sintered cadmium capable of forming crystal of dense cadmium hydroxide at a low cost without using high temperature alkaline solution and strictly conducting temperature control different from an existing method.  <P>SOLUTION: An electrode core body coated with active material paste is immersed in an alkaline solution (for example NaOH solution) of relatively high viscosity (9 mPa/s) kept at 25°C, for about 20 minutes to conduct first step hydration treatment, and then immersed in an alkaline solution (for example NaOH solution) of relatively low viscosity (4 mPa/s) kept at 25°C, for about 20 minutes to conduct second step hydration treatment.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003196754-A (JP)
Title: Device for warning intrusion and method thereof
Inventor: MATSUMOTO MICHIO
IPC: G08B13/196
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an intrusion warning device and its method capable of accurately corresponding to the complex and diverse movement of an object and freely setting a warning area.  <P>SOLUTION: This intrusion warning device includes: a warning area setting part 11a for setting a warning area with a dot line on a display screen 15a; a line brightness standard information storing part 12 for storing a line brightness standard information table 12a; a line brightness measuring part 11e for measuring brightness in the dot line in real time; a line brightness change judging part 11f for calculating the magnitude of brightness change on the basis of line brightness standard information and line brightness measurement information with respect to a dot which has suffered brightness change to judge whether the magnitude surpasses a prescribed reference value; and an intrusion detection output performing part 11h for performing the output of intrusion detection into the warring area.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003196418-A (JP)
Title: Regional information service providing system and method, regional information providing program in the system and record medium recording the program
Inventor: SUZUKI TOKUYUKI
IPC: G06Q50/00
Filed: 2001-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To boot up a special home page by collecting the shop information on a region where promotion is previously held to be released as an advertisement space to the local shop, to promote sales by producing an environment for allowing residents of an apartment house including local residents to retrieve for the local shops by each genre or on a map to simply obtain useful information, and to activate local activity.  <P>SOLUTION: This regional information providing system includes a shop information storing part 12 for registering shop information of a peripheral region located near a multi-dwelling house to construct a shop information DB 16, and a stop information releasing part 13 for retrieving the registered shop information on the user terminals of the residents or local residents through a communication network by each genre or on a map to refer to the information.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003501865-A (JP)
IPC: H04L47/43
Filed: 2000-05-26
Abstract: An improved method and system for transmitting a stream of data bytes through a channel (506A, 506b) whose capacity may change during transmission. By utilization of selective regions of sequence number space, the enhanced radio link protocol (RLP) (140, 142, 144) provides the benefits of large byte sequence numbers while transmitting a fraction of the sequence number bits in the majority of over-the-air frames. Frame header sequence numbers are shortened by dividing the byte sequence number by a page size, and by performing a modulo function on the byte sequence number.
Patent JP-2003503300-A (JP)
Title: 高密度及び大きな粒径の水酸化コバルト又はコバルト混合水酸化物の製造方法及びこの方法により製造される製造物
IPC: C01G51/00
Filed: 2000-06-28
Abstract: (57)【要約】
本発明は、高密度及び大きな粒径の水酸化コバルト、又はコバルトと他の金属との合金水酸化物の調製方法であって、金属水酸化物を形成するために、錯化剤と水酸化物イオンが、水性コバルトブライン又はコバルトと他の金属との合金の水性のブラインにアルカリ条件下で添加される方法に関する。この方法において、前記錯化剤は、金属イオンとアンモニウム錯体を形成するように選択される。金属に対する錯体のモル比が約０．５乃至３であり、ｐＨが１０乃至１３の範囲に制御される。
Patent JP-2003503732-A (JP)
IPC: G01N21/64
Filed: 2000-07-03
Abstract: A sensor platform for use in sample analysis comprises a substrate (30) of refractive index (n1) and a thin, optically transparent layer (32) of refractive index (n2) on the substrate, (n2) is greater than (n1). The platform incorporates one or multiple corrugated structures in the form of periodic grooves (31), (33), which defines one or more sensing areas each for one or more capture elements. The grooves are so profiled, dimensioned and oriented that when coherent light is incident on the platform it is diffracted into individual beams or diffraction order resulting in reduction of the transmitted beam and an anormal high reflection of the incident light thereby creates an enhanced evanescent field at the surface of the or each sensing area. The amplitude of this field at the resonant condition is greater by an order of approximately 100 than the field of prior art platforms so that the luminescence intensity created from samples on the platform is also increased by a factor of 100. Also disclosed is an apparatus incorporating the platform and a method of using the platform.
Patent JP-2003503949-A (JP)
Title: スケーラブルな機密保護グループ通信用の二重暗号化プロトコル
IPC: H04L9/08
Filed: 2000-07-06
Abstract: (57)【要約】
スケーラビィリティを提供し、内部からの攻撃に対して機密保護を行うマルチキャスト・グループでメンバーの資格を管理するための論理木構造体（１０）および方法。上記構造体は、キー・グループ（２０）とサブグループ（２４，２２）を定義する。この場合、各サブグループは、サブグループ・マネージャ（１２、１４、１８）を持つ。機密保護は、さらに、サブグループ・マネージャ（１２，１４，１８）が、メンバー（１８）であっても、または参加者（１４）であってもよい方法により維持される。メンバー（１８）にアクセスするには、両方のキーが必要であり、参加者（１４）にアクセスするには、１つのキーだけですむ。
Patent JP-2003504284-A (JP)
IPC: B65D75/36
Filed: 2000-06-29
Abstract: A blister cardboard pack for sensitive goods to be packaged comprising readily volatile and/or moisture-sensitive components, in a configuration preventing the entrance of moisture and/or the escape of volatile components, comprising a blister card (1), which in a manner known per se is configured either as one piece or, e.g. as a folding card (1, 1'), in two pieces, as a carrier for a blister cap (2) of transparent material containing the goods to be packaged, which blister card (1) and blister cap (2) are connected to each other by at least one sealing lacquer film (3, 3'), characterized in that between the blister card (1) and the blister cap (2) there is arranged a barrier layer (4) which is impermeable to water vapour and/or volatile components and which is connected in a media-tight manner, on the one hand, to the blister card (1) and, on the other hand, to the blister cap (2) by means of at least one sealing lacquer pressure-sensitive adhesive film (3, 3').
Patent JP-2003504190-A (JP)
Title: ポリビニリデンジフルオリド膜およびこのような膜を作製するための方法
IPC: B01D71/34
Filed: 2000-06-15
Abstract: (57)【要約】
ポリビニリデンジフルオリドを含む細孔性膜（１０）、およびこのような膜を作製するための方法が、開示される。膜（１０）は、架橋しておらず、そして製造中に強アルカリ溶液に接触されず、そして湿潤および乾燥を繰り返した後でさえも、水溶液によって湿潤性である。この膜は、支持体（１８）、および親水性被覆で処理された表面（１１）を有する。別個に、このような膜はまた、生物学的流体を２種以上の成分に分離するための装置（６０）において有用である。
Patent JP-2003505977-A (JP)
IPC: H04W84/04
Filed: 2000-07-19
Abstract: A method and apparatus for sequentially synchronized timing and frequency generation in a communication network includes a parent station for maintaining system time and frequency values, a time/frequency transfer unit for receiving and demodulating the system time and frequency values from the parent station and generating corrected system time and frequency values by adjusting a clock and the center frequency of a pilot signal at a child station to remove time and frequency discrepancies, and a child station to which the time/frequency transfer unit directly communicates the corrected system time and frequency values. The child station become a parent station upon communication of the corrected system time and frequency values. The sequence may be repeated for as many stations as are deployed in the network.
Patent JP-2003506782-A (JP)
Title: 違法行為を防止するよう無効リストを更新するシステム及びその方法
IPC: G06F21/60
Filed: 2000-07-27
Abstract: (57)【要約】
アクセス識別子が無効にされたかどうかを確認するために使用されるリストは、無効にされたアクセス識別子が時間が経過した後に容認されてしまう可能性を減少させるよう無作為形式で処理され維持される。アクセス制御システムがローカル無効リストを更新する際に、ローカル無効リストの結果として得られる内容を決めるために決定論的でない方法が使用される。本発明の他の面では、無効にされた識別子の通信も無効にされた識別子の非決定論的な選択に基づいている。このような方法により、単に時間が経過しただけで、以前に無効にされた識別子が復活するとは限られなくなる。複製された装置はユーザに複製された装置が「適当」に動作することが保証できなくなるのでその「信頼性は低く」なる。本発明の他の面では、無効化の実施も無作為に行われる。例えばアクセス制御システムは、最初は無効にされた識別子を有する装置に内容材料を与えるが、無作為の時間が経過した後に送信を終了させる。このような方法により、複製された装置のユーザは映画のような内容材料をその全体に亘って見ることが保証されなくなる。
Patent JP-2003507973-A (JP)
Title: 記録担体上へのトリック再生信号の記録
IPC: H04N5/783
Filed: 2000-07-31
Abstract: (57)【要約】
情報のパケット（１１４）と情報のパケットを含むトリック再生信号（１１６）を含む第１の情報信号を記録する記録装置は、パケットに対するタイムスタンプを発生するためのタイムスタンプ発生器（１４７）を有する。第１のディジタル情報信号は、記録速度と同じ記録担体速度での再生が意図され、そして、第２のディジタル信号は、記録速度のｎ １ 倍の速度の再生が意図されている。タイムスタンプ発生器は、パケットが蓄積されている第２の同期ブロックに対する同期ブロック番号から、前記第２の情報信号に対する前記タイムスタンプを得る。
Patent JP-2004507273-A (JP)
Title: 電動歯ブラシ
IPC: A61C17/22
Filed: 2000-08-15
Abstract: 長形本体部分と、静止部分および円形部分を備える頭部と、ハンドルと、頭部とハンドルとの間の傾斜シャフトとを含む電動歯ブラシ。円形部分は、頭部の長手方向軸線に垂直な軸線周囲で回転または往復運動する。円形部分は硬質剛毛を備え、静止部分は軟質剛毛を備える。長形本体部分は中空であり、モータを備える。このモータは、円形部分に動作可能に接続し、円形部分を回転、振動または往復運動させる。バッテリは、中空部分内に位置してモータに電力を供給する。スイッチは、モータに動作可能に接続され、歯ブラシの一次的動作および連続的動作を提供する。
Patent JP-2004500752-A (JP)
Title: 乗物上でのラジオベースプログラムの注文の方法および装置
IPC: G06Q30/00
Filed: 2000-10-02
Abstract: 【課題】ラジオプログラムを注文する極めて効率的な方法であって、注文がプレゼンテーションに近い時刻に行われ、詳細な情報を覚えておく必要性が最小限となる方法を提供すること。 【解決手段】ラジオプログラムを注文する極めて効率的な方法であって、注文がプレゼンテーションに近い時刻に行われ、その詳細を記憶しておく必要性が最小限となる方法を提供する。この方法は、移動中の人に必要な一連のタッチ式／音声制御方式で具体化される。セキュリティのオプションには、音声署名、ボタンシーケンス、指紋識別が含まれる。ユーザへのフィードバックは、オーディオ形式と視覚表示形式の両方で具体化される。請求されている、ラジオを制御する方法は、注文する、注文システムに追加情報を照会する、ユーザの識別署名を初期化する、ユーザを識別することによってセッションを初期化する、ユーザが正しく識別されない場合には注文へのアクセスを阻止する、特定の実施例においては警察に電話をする、というステップを提供する。請求されているラジオデバイスは、ラジオプログラムに関する重要な情報を含むＩＦ信号源、埋込式コントローラ、ユーザインタフェースと、注文取引が実行されるラジオトランシーバとをサポートする。 【選択図】図４
Patent JP-2003513820-A (JP)
IPC: B29K77/00
Filed: 2000-11-03
Abstract: The invention relates to a multi-layered preform (1) that is provided with an inner layer (SB), said inner layer being removed in the base area. The preform further comprises a partial layer (TSB) that is split in a transitional zone and that is unsplit in the surface zone. The split partial layer (TSB) has preferably an irregular shape and is especially crisped.
Patent JP-2003514429-A (JP)
Title: 時間離散的な信号部分の相関方法
IPC: H04L7/10
Filed: 2000-09-26
Abstract: (57)【要約】
本発明は、時間離散的な信号部分の相関方法、例えば信号伝送システムのための時間離散的な信号部分の相関方法に関しており、１つの信号内の予め定められた信号部分を相関により求める。ここでは既知の信号部分を有する信号を送信機から受信機へ送信し、信号内の既知の信号部分の位置を受信機内で受信信号と既知の信号部分との相関により求める。階層シーケンスとエラーシーケンスとの和である既知の信号部分は障害のある階層シーケンスとして受信機内に格納される。相関は受信信号および格納された階層シーケンスの相関と、信号および格納されたエラーシーケンスの相関の和として形成される。